All Astralis members
All NaVI members (yes even Perfecto and flamie they need to play it to get some experience)
All Mousesports members (Karrigan included)
All FaZe members except
All Fnatic members except
All Vitality members
All G2/NiP/OG members included
Some funny famous CS:GO players:
ScreaM
Dignitas
Lobanjicaa
dennis
Smooya
Xantares
Tabsen
Pashabiceps
That's all
In total we have
57 professional cs:go players
Not a lot but quite enough